/* styles.css */
body {
    background-color: #ffe4e1;
    color: #333;
    font-family: 'Kaushan Script', cursive;
    background-image: url('background.png'); /* 追加 */
    background-size: cover; /* 追加 */
    background-repeat: no-repeat; /* 追加 */
    background-attachment: fixed; /* 追加 */
}

header, footer {
    background-color: #ff69b4;
    color: white;
    padding: 10px;
    text-align: center;
}

button {
    background-color: #ff1493;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 1.2em;
}

button:hover {
    background-color: #ff69b4;
}

textarea, input[type="number"] {
    border: 2px solid #ff69b4;
    border-radius: 10px;
    padding: 10px;
    width: 100%;
    font-size: 1.2em;
}

#timer {
    background-color: #fff0f5;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

#notes {
    margin-top: 20px;
}

aside {
    margin-top: 20px;